[PATCH v2] libstdc++: Add module initialization functions to the library [PR124268]

[Joseph Myers]

On Tue, 17 Mar 2026, Jonathan Wakely wrote:

> Anyway, I've reverted the patch now. We will have to figure out how to
> deal with funky targets. If va_list does not have external linkage on
> those targets, then it's already undefined to use it in C++, so really
> that needs to be fixed in those targets. Or we hack workarounds into
> the C++ front end for these system headers.

Maybe the targets need to set up __va_list_tag in some different way then, 
since i386 / rs6000 / s390 also have __va_list_tag but don't seem to have 
this issue (and I don't know whether stormy16 or xtensa have it or not 
since glibc doesn't support those architectures).

-- 
Joseph S. Myers
josmyers@redhat.com